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A boxer swings with a roundhouse punch to an opponent's head. Her arm has an average angular velocity of 14 rad/s and the surface of the boxing glove is 0.4 meter from the axis of rotation. Determine the velocity of her glove when it makes contact in m/s?
The skier has just begun descending the 30 degree slope. The coefficient of sliding friction is 0.10. Calculate (a) the skier's acceleration (b) the speed they'll reach after 6.0 seconds.
a hot air balloon is rising upward with a constant speed of 15 ms. when the balloon is 5 m above the ground the
Gold has one conduction electron per atom. Its density is 19.3gr/cm3,molar mass is 197 gr/mole, determine The drift speed vd of the electrons in the wire
A space traveler weighs 580 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
The equation of a transverse wave traveling along a very long string is y = 5.0 sin (0.055 ?x + 6.0 ?t), Determine the amplitude of propagation of the wave
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 9.0 m/s right before entering the wood. The mass of the nail is 0.060 kg, how far into the wood does the nail go
Here are the familiar pair of carts connected by a spring. What are the relative speeds of the carts when the spring is released?
What are the rocket's horizontal range, greatest height, and total time of flight. The magnitude of the torque of this force on the door with respect to the hinge is most nearly .
A 17 kg body is moving through space in the positive direction of an x axis with a speed of 310 m/s when, due to an internalexplosion, it breaks into three parts. One part, with a mass of 6.1kg, moves away from the point of explosion with a speed ..
A 1.0kg object is released from rest 500km ( approx 300 miles) above the earth. What would the impact speed be if the earth were flat
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 18cm, what's the balloon's new radius
The critical density of the universe is 5.80×10^?27 kg/m^3. Assuming that the universe is all hydrogen, express the critical density in the number of H atoms per cubic meter.
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